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FR2506331A1 - Procede de traitement de laitiers phosphures - Google Patents

Procede de traitement de laitiers phosphures

Info

Publication number
FR2506331A1
FR2506331A1 FR8110401A FR8110401A FR2506331A1 FR 2506331 A1 FR2506331 A1 FR 2506331A1 FR 8110401 A FR8110401 A FR 8110401A FR 8110401 A FR8110401 A FR 8110401A FR 2506331 A1 FR2506331 A1 FR 2506331A1
Authority
FR
France
Prior art keywords
dairy
phosphides
refining
milk
treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8110401A
Other languages
English (en)
Other versions
FR2506331B1 (fr
Inventor
Paul-Victor Riboud
Christian Gatellier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Priority to FR8110401A priority Critical patent/FR2506331A1/fr
Priority to EP19820400906 priority patent/EP0067093B1/fr
Priority to DE8282400906T priority patent/DE3262855D1/de
Priority to ES512448A priority patent/ES8304607A1/es
Publication of FR2506331A1 publication Critical patent/FR2506331A1/fr
Application granted granted Critical
Publication of FR2506331B1 publication Critical patent/FR2506331B1/fr
Priority to US06/615,694 priority patent/US4541863A/en
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/36—Processes yielding slags of special composition
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Dairy Products (AREA)
  • Fodder In General (AREA)

Abstract

PROCEDE DE TRAITEMENT DE LAITIERS PHOSPHURES OBTENUS PAR AFFINAGE D'UN BAIN DE METAL EN FUSION, TEL QUE L'ACIER. LE PROCEDE SELON L'INVENTION CONSISTE A OXYDER A CHAUD LE LAITIER EN LUI INCORPORANT APRES AFFINAGE UN ADJUVANT SOLIDE PULVERISE FORTEMENT OXYDANT ET AISEMENT FUSIBLE AU CONTACT DU LAITIER. PARMI LES ADJUVANTS UTILISABLES FIGURENT DE PREFERENCE LES CARBONATES DE METAUX ALCALINS OU ALCALINO-TERREUX, ET EN PARTICULIER LE CARBONATE DE SODIUM QUI, DE SURCROIT, EST UN PRODUIT COURAMMENT UTILISE DANS LE DOMAINE DE L'ELABORATION DES METAUX, NOTAMMENT EN SIDERURGIE. L'INVENTION ASSURE UNE PASSIVATION RAPIDE DU LAITIER EN STABILISANT LES PHOSPHURES SOUS FORME DE PHOSPHATES ET PERMET AINSI D'EVITER UN DEGAGEMENT DE PHOSPHINE TRES TOXIQUE QUI SE PRODUIRAIT NATURELLEMENT PAR HYDROLYSE A FROID.
FR8110401A 1981-05-22 1981-05-22 Procede de traitement de laitiers phosphures Granted FR2506331A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8110401A FR2506331A1 (fr) 1981-05-22 1981-05-22 Procede de traitement de laitiers phosphures
EP19820400906 EP0067093B1 (fr) 1981-05-22 1982-05-17 Procédé de traitement de laitiers phosphurés
DE8282400906T DE3262855D1 (en) 1981-05-22 1982-05-17 Process for treating phosphided slags
ES512448A ES8304607A1 (es) 1981-05-22 1982-05-21 Procedimiento para el tratamiento de una escoria fosfurada.
US06/615,694 US4541863A (en) 1981-05-22 1984-05-29 Method for the treatment of phosphuretted slag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8110401A FR2506331A1 (fr) 1981-05-22 1981-05-22 Procede de traitement de laitiers phosphures

Publications (2)

Publication Number Publication Date
FR2506331A1 true FR2506331A1 (fr) 1982-11-26
FR2506331B1 FR2506331B1 (fr) 1983-11-10

Family

ID=9258882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8110401A Granted FR2506331A1 (fr) 1981-05-22 1981-05-22 Procede de traitement de laitiers phosphures

Country Status (5)

Country Link
US (1) US4541863A (fr)
EP (1) EP0067093B1 (fr)
DE (1) DE3262855D1 (fr)
ES (1) ES8304607A1 (fr)
FR (1) FR2506331A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543975B1 (fr) * 1983-04-07 1989-09-15 Solvay Procede pour permettre le rejet d'une scorie siderurgique contenant des composes oxydes du sodium et du phosphore, sur un terril ou un crassier
US4738719A (en) * 1986-05-09 1988-04-19 Tenneco Canada Inc. (Erco Division) Steel making flux
US5430234A (en) * 1993-12-28 1995-07-04 Fmc Corporation Process for removing phosphorus and heavy metals from phosphorus trichloride still bottoms residue
NL2007190C2 (nl) * 2011-07-28 2013-01-29 Etna B V Werkwijze en apparaat voor behandeling van een smeltslak.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062672A (en) * 1974-10-21 1977-12-13 Entreprise Gagneraud Pere Et Fils Process for improving the fragmentation capability of metallurgical slags and cinders
JPS5832209B2 (ja) * 1976-04-15 1983-07-12 株式会社神戸製鋼所 改質転炉スラグおよび改質法
FR2356732A1 (fr) * 1976-06-30 1978-01-27 Nippon Steel Corp Procede de dephosphoration de metaux ou d'alliages et nouveaux produits ainsi obtenus
US4084959A (en) * 1976-12-15 1978-04-18 Nippon Steel Corporation Method for continuous refining of a molten iron base metal
FR2428672A1 (fr) * 1978-06-14 1980-01-11 Siderurgie Fse Inst Rech Procede de dephosphoration d'un bain d'acier en phase reductrice

Also Published As

Publication number Publication date
US4541863A (en) 1985-09-17
EP0067093A1 (fr) 1982-12-15
DE3262855D1 (en) 1985-05-09
EP0067093B1 (fr) 1985-04-03
ES512448A0 (es) 1983-03-01
ES8304607A1 (es) 1983-03-01
FR2506331B1 (fr) 1983-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse